S-96877A624 1/4"-20 x 1" FF-S-92, QQ-P-35, MS51959-83, SAE AMS2700 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from passivated 18-8 stainless steel, ideal for harsh industrial environments and extending service life.
• High tensile strength of 70,000 psi ensures reliable, durable fastening under significant mechanical stress.
• Fully threaded UNC coarse design provides faster installation and superior holding power in a wide range of materials.
• Standard 82° countersink angle and flat head allows for a flush, clean finish, preventing snagging and improving safety.
• Class 2A thread fit offers excellent interchangeability and ease of assembly for efficient production and maintenance.
• Compliance with major industry standards including Fed. Spec. FF-S-92 and SAE AMS2700 guarantees consistent quality and performance.
• RoHS 3 and REACH compliance ensures the screw is safe for use in regulated industries and environmentally conscious applications.

Professional Applications & Engineering Value

This 1/4"-20 UNC flat head screw is engineered to solve critical fastening challenges in demanding industrial applications. The passivated 18-8 stainless steel construction provides exceptional resistance to corrosion and oxidation, which is vital for machinery, outdoor equipment, and assemblies exposed to moisture or chemicals. The combination of a coarse UNC thread and a fully threaded design ensures rapid, secure engagement in various substrates, reducing installation time and preventing loosening from vibration. The flat head with an 82° countersink sits perfectly flush, eliminating protrusions that could interfere with moving parts or pose safety risks. This makes it an indispensable industrial fastener for applications where reliability, a clean aesthetic, and long-term durability are non-negotiable.

Specification Summary & Compliance

This machine screw features a 1/4"-20 UNC thread with a Class 2A fit for standard dimensional accuracy and easy assembly. It is manufactured in compliance with Fed. Spec. FF-S-92, QQ-P-35, MS51959-83, and SAE AMS2700. The product is also confirmed to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety regulations.